25366416 has 40 divisors (see below), whose sum is σ = 67793280. Its totient is φ = 8163456.

The previous prime is 25366409. The next prime is 25366421. The reversal of 25366416 is 61466352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7720 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (1694832).

Almost surely, 2^25366416 is an apocalyptic number.

It is an amenable number.

25366416 is an abundant number, since it is smaller than the sum of its proper divisors (42426864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25366416 is a wasteful number, since it uses less digits than its factorization.

25366416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18263 (or 18257 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 25366416 is about 5036.5083142987. The cubic root of 25366416 is about 293.8233934010.

The spelling of 25366416 in words is "twenty-five million, three hundred sixty-six thousand, four hundred sixteen".